Petrov Aleksandr

From Kirov, Russia

EMA: 15990461

Player page

Online rating

Rating date May 19, 2022 (latest changes May 16, 2022).

86 place (431.90).

max_coefficients = (3.25 * 1 + 3.45 * 0.86 + 3.20 * 0.86) = 8.949715000000001

p1 = (362.96 * 3.69 * 0.14 + 902.91 * 3.45 * 0.86 + 384.62 * 2.60 * 0.57 + 170.21 * 2.60 * 1 + 0) / (3.69 * 0.14 + 3.45 * 0.86 + 2.60 * 0.57 + 2.60 * 1 + 1) = 452.1912415681984

p2 = (902.91 * 3.45 * 0.86 + 384.62 * 2.60 * 0.57 + 170.21 * 2.60 * 1) / max_coefficients = 411.6175766490888

score = 452.1912415681984 * 0.5 + 411.6175766490888 * 0.5 = 431.90440910864356

Rating changes

Show

Date Place Points Reason
2022-05-16 80 -> 86 456.99 -> 431.90

Riichi Online Open Team Cup: 100% -> 86%

2022-05-13 81 -> 80 456.99
2022-05-10 73 -> 81 481.00 -> 456.99

Spring tournament: 14% -> 0%

2022-05-07 74 -> 73 481.00
2022-05-01 75 -> 74 481.00
2022-04-26 77 -> 75 481.00
2022-04-20 77 485.65 -> 481.00

Demons of winter wind: 71% -> 57%

2022-04-14 76 -> 77 485.65
2022-04-12 77 -> 76 485.65
2022-03-24 82 -> 77 481.31 -> 485.65

Riichi Online Open Team Cup: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 170 2021-12-12 40/48 100% 2.60 ONLINE Demons of autumn wind
2 903 2021-05-16 11/104 86% 3.45 ONLINE Riichi Online Open Team Cup
3 385 2020-12-20 25/40 57% 2.60 ONLINE Demons of winter wind
4 363 2020-05-24 87/136 14% 3.69 ONLINE Riichi Online Open Team Cup
5 346 2020-05-10 71/108 0% 3.50 ONLINE Spring tournament
6 49 2020-02-16 137/144 0% 3.71 ONLINE Riichi Online Open Team Cup 2020